Distribution of coitus in the menstrual cycle.
D003075:Coitus; D004325:Dreams; D004967:Estrogens / Q000502:physiology; D005260:Female; D006801:Humans; D008393:Marriage; D008598:Menstruation; D009657:North Carolina; D009948:Orgasm; D010507:Periodicity; D011374:Progesterone / Q000502:physiology; D011573:Psychoanalytic Interpretation; D012494:Sampling Studies
D004967:Estrogens; D011374:Progesterone